Form 4 Filing for ASTROTECH Corp

This filing details a transaction by John William Halinski, a director at ASTROTECH Corp. On July 9, 2026, Halinski acquired 1055 shares of common stock through a grant of restricted stock under the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. These shares vested immediately on the grant date. The acquisition was a non-sale transaction with a price of $0.00 per share. Following this transaction, Halinski owns 12211 shares of ASTROTECH Corp common stock directly.